michael hayden who ran the national security agency when some of our allies phones were attacked. we'll get analysis from david ignatious of the "washington post," david sanger of the "new york times." cbs news chief legal correspondent jan crawford and cbs news political director john dickerson. as we approach the 50th anniversary of the kennedy assassination we'll talk to former "life" magazine editor dick stolen and granddaughter of abe da bra ma'am zaputa it's a lot but that's what we do at "face the nation." >> schieffer: good morning again we welcome to the broadcast the chairman of the senate intelligence committee california senator diane feinstein. thank you so much, senator, for coming. you have been a big defender from the beginning of the national security agency but you were clearly upset with the revelation that we were tapping german chancellor angla merkel's cell phone, you said it was a big problem that the empty was unaware. do you believe that that the president didn't know this was happening? >> i can't answer that. i don't know. but i think where allies are cl